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Fluorescent High Bays

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Intended Use

The I-BEAM® fluorescent high bay is an ideal one-for-one replacement of common metal halide high bay systems. Applications include warehousing, commercial facilities and retail. The fluorescent I-BEAM fixture performs at mounting heights from 15'- 30'. Certain airborne contaminants can diminish integrity of acrylic. Refer to Acrylic Environmental Compatibility tables for suitable uses.


Rugged fixture construction coupled with excellent fixture performance. Channel is formed of heavy-duty, code-gauge steel to stand up to the most demanding elements. Lamp holder assembly protects from incidental damage to reflectors during installation. Channel is high-gloss white baked enamel; five-stage, iron phosphate pretreatment ensures superior paint adhesion and rust resistance.


Two optical systems are available. Narrow distribution (ND) is ideal for narrow or aisle lighting applications and features precision-formed segmented optics utilizing specular aluminum reflectors. Wide distribution (WD) includes high-reflectance white finish for general or open areas. Typical arrangement provides over 90% luminaire efficiency.


Ballast: MVOLT 120-277V ballast accommodates most electrical requirements. Thermally protected, resetting, Class P, HPF, A+ sound-rated electronic ballast. AWM TFM or THHN wire used throughout is rated for required temperatures.

Sockets: Sockets include secure positioning rotating collars with enclosed contacts. Access plate on the back of the channel housing allows quick and easy wiring.


Suitable for suspension by chain, cable, hook monopoint or pendant monopoint. Fixture should not be mounted directly to ceiling surface. For optimum performance, fixture should be mounted at least 18” below ceiling plane.


UL/C-UL listed to U.S. and Canadian safety standards.

Guaranteed for one year against mechanical defects in manufacturing. Ballast warranted for two years when operated in 25°C or less ambient conditions.

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